老牛湾堡位于山西省忻州市偏关县县城西北45 km处,隶属万家寨镇。古堡东临滑石堡,西濒黄河陡岸,三面环水,是一座筑于黄河边高岗之上的军事防御要塞。这里地处晋西北,是山西、内蒙古、陕西三省交界处,黄河由此入晋,固有“黄河入晋第一村”的美誉。明代内长城、外长城在这里交汇,而长城与黄河也在这里首次相交, Old Niuwan Fort is located in Xinzhou City, Shanxi Province, the county seat 45 km northwest of the county, under the Wanjiazhai. Castle Fort east east of talc, west of the steep bank of the Yellow River, surrounded by water, is a high defense built on the Yellow River in the military fortress. Here is located in northwestern Shanxi, Shanxi, Inner Mongolia and Shaanxi provinces at the junction of the Yellow River into the Jin, inherent “Yellow River into the first village” reputation. In the Ming Dynasty, the Great Wall, the Great Wall of China meet here, and the Great Wall and the Yellow River are the first to meet here,